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iOS Swift Basics (retired) Control Flow While and Do-While Loop

Posted by busterlabs
busterlabs
9,276 Points

Swift Basics - Control Flow

Challenge task 1 of 1

Given an array of numbers, print out each number in the array using a while loop and the println statement.

let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

My code:

while numbers { println(numbers) }

Result:

Bummer! Your code could not be compiled. Please click on "Preview" to view the compiler errors.

swift_lint.swift:9:7: error: type '[Int]' does not conform to protocol 'BooleanType' while numbers { ^

1 Answer

Kelvin Atawura
.a{fill-rule:evenodd;}techdegree
Kelvin Atawura
Front End Web Development Techdegree Student 19,022 Points

var index = 0 //initialise index

while index < numbers.count { println(numbers[index]) index++ }